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Almost all have or prepuces.Fahmy, Mohamed A. Baky. "Prepuce." Rare Congenital Genitourinary Anomalies. Springer Berlin Heidelberg, 2015. 33-41. In non-human mammals, the prepuce is sometimes called the penile sheath or preputial sheath.
In , the foreskin contains naturally occurring bacteria that play an important role in fertilization. In some bat species, the prepuce contains an erectile tissue structure called the accessory corpus cavernosum.
During musth, a male elephant may urinate with the penis still in the sheath, which causes the urine to spray on the hind legs.Sukumar, pp. 100–08.
Male dogs and wild dogs have a large and conspicuous penile sheath.
In stallions, the retractor penis muscle contracts to retract the horse penis into the sheath and relaxes to allow the penis to extend from the sheath.
The penile sheath of a male axis deer is elongated and urine-stained. When rubbing trees with their horns, these stags sometimes move the penis back and forth rapidly inside its sheath. Male bison and fallow deer have tufts of fur at the end of their penile sheaths.
In rodents, the length of the prepuce is related to urine marking behavior.Maruniak, J. A., Claude Desjardins, and F. H. Bronson. " Adaptations for urinary marking in rodents: Prepuce length and morphology ." Journal of Reproduction and Fertility 44.3 (1975): 567-570.
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